<!DOCTYPE html>
<script src='../../../resources/testharness.js'></script>
<script src='../../../resources/testharnessreport.js'></script>
<style type="text/css">
#box {
    width: 600px;
    height: 600px;
    touch-action: none;
}
</style>
<div id="box" ></div>

<script type="text/javascript">

var touchMoveCount = 0;
var touchStartCount = 0;
var touchendCount = 0;
var box = document.getElementById("box");
var targetRect = box.getBoundingClientRect();
var offset = 50;
var x = targetRect.left + offset;
var y = targetRect.top + offset;

function validTouchResult(event) {
    if (event.type == 'touchstart')
      touchStartCount++;
    else if (event.type == 'touchmove')
      // TouchMoves may be coalesced so count each touch.
      touchMoveCount += event.changedTouches.length;
    else if (event.type == 'touchend')
      touchendCount++;

    testTouchPointers.step(function () {
        assert_equals(event.target.id, "box");
    });
}

function callbackValidTouchCount() {
    testTouchPointers.step(function () {
        assert_equals(touchStartCount, 3);
        assert_equals(touchMoveCount, 7);
        assert_equals(touchendCount, 3);
    });
    testTouchPointers.done();
}

function testMultiTouchPointers() {
    if (window.chrome && chrome.gpuBenchmarking) {
        var pointerActions =
            [{source: "touch", id: 0,
              actions: [
                { name: "pointerDown", x: x, y: y },
                { name: "pointerMove", x: x + 30, y: y + 30 },
                { name: "pointerMove", x: x + 50, y: y + 50 },
                { name: "pointerMove", x: x + 90, y: y + 90 },
                { name: "pause", },
                { name: "pointerUp" }]},
             {source: "touch", id: 1,
              actions: [
                { name: "pause" },
                { name: "pointerDown", x: x, y: y },
                { name: "pointerMove", x: x + 60, y: y + 60 },
                { name: "pointerUp"}]},
             {source: "touch", id: 2,
              actions: [
                { name: "pause" },
                { name: "pause" },
                { name: "pointerDown", x: x, y: y },
                { name: "pointerMove", x: x + 30, y: y + 30 },
                { name: "pointerMove", x: x + 50, y: y },
                { name: "pointerMove", x: x + 60, y: y },
                { name: "pointerUp"}]}];
        chrome.gpuBenchmarking.pointerActionSequence(pointerActions, callbackValidTouchCount);
    }
}

var testTouchPointers = async_test('Tests that all the touch events are sent correctly when there are multiple finger pointers.');
box.addEventListener('touchstart', validTouchResult);
box.addEventListener('touchmove', validTouchResult);
box.addEventListener('touchend', validTouchResult);
testMultiTouchPointers();

</script>
